article

ajax

[what]

  1. ] AJAX stands for Asynchronous Javascript and Xml,
  2. ] AJAX is a "technique/practice" used on web pages(+ in web apps) to ... perform "partial" page updates or partial page postbacks,

[why]

  1. ] this typically provides a better user experience b/c it is faster to update data on the page in response to a user action
  2. ] the user does not have to wait for an "entire page" re - load to occur when they are interacting with the webpage
  3. ] ajax reduces server round trips
  4. ] reduces page load time
  5. ] reduces data consumption (network bandwidth)

[example]

  1. ] a page with a series of cascading select boxes
    1. for Country, State, City.
    2. When the user selects the country, the list of states gets updated.
    3. When the user selects the state, the list of cities gets updated.

[where]

  1. ] wherever

[when]

  1. ] whenever

[how-to]

  1. ] pre-req,
  2. ] getting started, -
  3. ] uses the XMLHTTP request object
  4. ] data is often returned as XML

[ref=]

  1. ] ch 29, 30, pro asp.net 4.0, ch 44 - 866 cascading selects for add pages -
  2. ] + ebook unobtrusive ajax by jeremey skinner, LOC=my documents/
  3. ] http://www.quora.com/AJAX-1/What-are-some-best-practices-to-use-when-making-a-website-that-uses-a-lot-of-AJAX
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Details

ID: 1674

NAME: ajax-overview

DESCRIPTION: an overview article describing the AJAX technique

AUTHOR: article.author/s

EDITOR: article.editor/s

PUBLISHER: article.publisher/s

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PRIORITY: -5

OWNER ID: 1

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